TOEFL Integrated Writing Practice Test 045Genetic Modification of Trees

Genetic modification, a process used to alter an organism’s genes and thereby change its characteristics, is now being applied to improve trees. Through genetic modification, it is possible to create trees that produce more fruit, grow faster, or withstand adverse environmental conditions. Planting genetically modified trees on a large scale promises several benefits.

First, genetically modified trees are designed to be more resilient than natural trees, meaning they are more likely to survive under adverse conditions. For instance, in Hawaii, a pest-resistant species of papaya tree has been developed in response to repeated outbreaks of ringspot virus, which had severely damaged the native papaya population. The introduction of genetically modified papayas has largely resolved the ringspot issue.

Moreover, genetically modified trees offer several economic advantages for those who cultivate them. These trees tend to grow more quickly, produce higher yields of fruit, wood, or other products, and are more resilient. As a result, farmers can achieve faster and greater returns on their investments while reducing costs, such as the need for pesticides.

Finally, genetically modified trees can help prevent the overexploitation of wild trees. Due to increasing demand for firewood and timber, forests are being cut down faster than they can naturally regenerate. By planting genetically modified trees, which are specifically designed to grow quickly and provide high yields under specific conditions, the demand for wood could be met while protecting endangered native tree species, many of which are unique or rare.